Best app to gain knowledge and money at the same time.You get money if you answer correctly. they give you 10 questions and you have to answer each within 10 seconds. first 2-3 questions are easy but remaining would be quite tougher to do. it is interesting but quite difficult to answer all of them correctly. now when you play quiz in loco you earn points. also you get reward points when you refer it with your friends. very popular these days among family and friends. must have app in your mobile to earn money and kill time also ??